I will have one nuvi 350 for repair antena in couple of days and i can scan region from this nuvi and send it to you.

Can you please send me tutorial how can i create programmer for BGA chip?

I have nuvi 250W and 255W who dont turn on anymore. One nuvi have Sandisc inand BGA chip and another have samsung chip.
I like to try repair this nuvi but original programmer is 600$, so if you can help me with some shema how can i create programmer for BGA chip who have damaged boot area.

If you wish, you can [Only registered and activated users can see links. ]

for 48 pin TSOP package have to buy socket which is not so expensive, but for BGA you need expensive one or to use wires for programming, in two cases you have to make rebolling and to have hot air (infrared ) bga station which is expensive one and experience to make reboll. And to buy balls i thing 0.4 mm for nand.
if you like to du unexpensive programmer buy PROGSKET 1.2 completed with infectus programmer arround 40 euro , 48tsop clip for 20euro connect with short wires and put in shielded case.
cut long flat USB cable to 6 cm to reduce noise.

Be prepared for a tiny OT:
I barely understood a word of what you and Loly are talking about rumensat, but gee-whizz your 'home bake' programmer is sounding bl**dy IMPRESSIVE! Welcome to Noeman, and i sure hope you stick around (I bet Loly does too).

'Thanking Posts' are banned. To thank someone, and/or to see hidden links and content, use the [Only registered and activated users can see links. ] button below left of the helpful post then refresh your browser [F5 key]. 'Thanking Posts' are banned.Please don't spam. Posts serving no purpose other than to thank or to ask about hidden links are trashed or deleted, it's GPSPower's policy. Please don't spam.[Only registered and activated users can see links. ] should make their first post as a new Intro Thread in [Only registered and activated users can see links. ].

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